|Origin:||Late Latin desertum, from Latin desertus, past participle of deserere 'to desert'|
1 [uncountable and countable]SG
a large area of land where it is always very hot and dry, and there is a lot of sand:
the Sahara Desert
This area of the country is mostly desert.
in the desert
The plane crash-landed in the desert.
a place where there is no activity or where nothing interesting happens:
The railroad yard was a desert now.
! Do not confuse desert and dessert although they have similar spellings.